13221212220110 has 32 divisors (see below), whose sum is σ = 23806180800864. Its totient is φ = 5286707712000.

The previous prime is 13221212220109. The next prime is 13221212220163. The reversal of 13221212220110 is 1102221212231.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 477441365 + ... + 477469055.

It is an arithmetic number, because the mean of its divisors is an integer number (743943150027).

Almost surely, 2^{13221212220110} is an apocalyptic number.

13221212220110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13221212220110 is a deficient number, since it is larger than the sum of its proper divisors (10584968580754).

13221212220110 is a wasteful number, since it uses less digits than its factorization.

13221212220110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42020.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 13221212220110 its reverse (1102221212231), we get a palindrome (14323433432341).

The spelling of 13221212220110 in words is "thirteen trillion, two hundred twenty-one billion, two hundred twelve million, two hundred twenty thousand, one hundred ten".